Running Rigging

Furling line with a flattened cover seats easily on the furler (left), and allows you to leave a couple wraps on the drum to relieve strain on the knot that secures the line to the drum. The core is removed at a predetermined point, typically 3 feet before the line reaches the cleat or jammer when the sail is furled (top right). Twelve stitches—one every few plaits—keep the cover from slipping under load (bottom right); the stitches shown have not yet been pulled tight.

Fitting a Roller Furling Line

A bit of marlinspike helps alleviate a tight squeeze at the drum.

Replacing the roller-furling control line is an easy do-it-yourself job for the boat owner. Inexpensive, double-braid Dacron is a fine choice for furling lines on most boats shorter than 40 feet. On longer boats, you can opt for a furling-line material of more esoteric double-braids with less stretch. However, any line smaller than 3/8-inch diameter is too difficult to grip.

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